Intellect Intelligence tests 66 Intelligence levels 43 Cognition 42 Brain 33 Knowledge, Theory of 33 Social aspects 32 more ... Artificial intelligence 31 Philosophy 30 Nature and nurture 27 Psychology 24 Thought and thinking 24 Psychological aspects 23 History 20 Genetic aspects 17 Ability 16 Personality 16 Child psychology 14 Animal intelligence 13 Cognitive science 13 Creative ability 13 Human information processing 13 Learning, Psychology of 11 Religious aspects 11 Evolution 10 Neuropsychology 10 Consciousness 9 Mind and body 9 Philosophy of mind 9 Psychology, Comparative 9 less ...